Bird - Wikipedia
WEBBirds live worldwide and range in size from the 5.5 cm (2.2 in) bee hummingbird to the 2.8 m (9 ft 2 in) common ostrich. There are over 11,000 living species, more than half of which are passerine, or "perching" birds.
List of birds - Wikipedia
WEBList of birds. Penguins. Ostriches. This article lists living orders and families of birds. The links below should then lead to family accounts and hence to individual species. The passerines (perching birds) alone account for well over 5,000 species. In total there are about 10,000 species of birds described worldwide, though one estimate of ...
Bird - Simple English Wikipedia, the free encyclopedia
WEBBirds (Aves) are a group of animals with backbones. They evolved from dinosaurs. Technically, birds are dinosaurs. Birds are warm blooded. Their feathers help prevent loss of body heat. Modern birds do not have teeth. They have beaked jaws. Birds lay hard-shelled eggs. They have a high metabolic rate and a strong but lightweight skeleton.
List of birds of the United States - Wikipedia
WEBA comprehensive listing of all the bird species confirmed in the United States follows. It includes species from all 50 states and the District of Columbia as of July 2022. Species confirmed in other U.S. territories are also included with other "as of" dates.
List of birds by common name - Wikipedia
WEBIn this list of birds by common name, a total of 10,976 extant and recently extinct (since 1500) bird species are recognised. Species marked with a "†" are extinct. [1] This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.
Birds of the World - Cornell Lab of Ornithology
WEBAbout Birds of the World. Birds of the World is a powerful resource that brings deep, scholarly content from four celebrated works of ornithology into a single platform where biologists and birders can find comprehensive life history information on birds. Every bird has a story. Discover them all with Birds of the World.
Bluebird - Wikipedia
WEBThe bluebirds are a North American [1] group of medium-sized, mostly insectivorous or omnivorous birds in the order of Passerines in the genus Sialia of the thrush family (Turdidae). Bluebirds are one of the few thrush genera in the Americas . Bluebirds lay an average of 4 to 6 eggs per clutch.
Bird | Description, Species, Classification, Types, & Facts
WEB1 day ago · Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals. Learn more about birds in this article.
Origin of birds - Simple English Wikipedia, the free encyclopedia
WEBThe origin of birds is one of the most interesting questions in palaeontology and evolution. Birds evolved from theropod dinosaurs during the Mesozoic era. Thomas Henry Huxley ("Darwin's bulldog"), who was a comparative anatomist, made a …
Bird - Wikiwand
WEBBirds (Aves) are a group of animals with backbones. They evolved from dinosaurs. Technically, birds are dinosaurs.
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